Gram to Cup

80 grams of rolled oats to cups

80 g of rolled oats is about 0.89 cups, which is roughly 7/8 cup or 14.22 tablespoons. That comes from 90 g per US cup. Old-fashioned rolled oats, loosely filled.

Measure80 g of rolled oats
Cups0.89
Kitchen measure7/8 cup
Tablespoons14.22
Grams per cup used90 g

Rolled oats are mostly air. The flakes stack loosely, so a full cup weighs only about 90 g, one of the lightest entries on this site. Do not pack them down; recipes assume a loose fill.

Result
0.83 cups
About 7/8 cup of all-purpose flour. 100 g is 3.53 oz by weight.
Assumes spoon-and-level. Scooped flour runs closer to 140 g a cup.

Questions

How many cups is 80 g of rolled oats?
0.89 cups, or about 7/8 cup. That is worked out at 90 g per US cup.
How many tablespoons is 80 g of rolled oats?
About 14.22 tablespoons, since one US cup is 16 tablespoons. For small amounts tablespoons are usually the more accurate measure to work with.
Why does 80 g give a different number of cups for other ingredients?
Because cups measure volume and grams measure weight. 80 g of rolled oats is 0.89 cups at 90 g per cup, while the same 80 g of a denser or lighter ingredient fills a different amount of space.

Other amounts of rolled oats

50 g60 g70 g74 g75 g85 g90 g100 g110 g112 g

See all rolled oats conversions or 80 g of every other ingredient.